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http://hdl.handle.net/11154/1664
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Title: | Transient time-domain resonances and the time scale for tunneling |
Authors: | Villavicencio, J García-Calderon, G |
Issue Date: | 2003 |
Abstract: | Transient time-domain resonances found recently in time-dependent solutions to Schrodinger's equation are used to investigate the issue of the tunneling time in rectangular potential barriers. In general, a time-frequency analysis shows that these transients have frequencies above the cutoff frequency associated with the barrier height, and hence correspond to nontunneling processes. We find, however, a regime characterized by the barrier opacity, where the peak maximum t(max) of the time-domain resonance corresponds to under-the-barrier tunneling. We argue that t(max) represents the relevant tunneling time scale through the classically forbidden region. |
URI: | http://hdl.handle.net/11154/1664 |
ISSN: | 1050-2947 |
Appears in Collections: | Ciencias
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